National Item Identification Number
01-224-9271
012249271
5821-01-224-9271
5821012249271
National Stock Number
Item Name
RING,RETAINING,OPTICAL ELEMENT
Federal Supply Class
5821
Description
A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see RETAINER, OPTICAL ELEMENT. Excludes CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; and RING, RETAINING.
Commercial and Government Entity Code (Supplier Data)
99971
99971
Reference Numbers (Part Numbers)
7589019
7589019G1
Required Categories
Required Description